This file comes with two hip files for Houdini and can be used right away. Please make sure you use Houdini 15/16 to get the best out of this explosion. You need to simulate and composite this explosion but you can adjust, change and handle it the way you need, the setup is super easy and good to understand for intermate Houdini users.If you have questions, please watch the tutorials here in the customer area to get an idea how to use it the right way.Thanks for passing by.